BE469786A - - Google Patents
Info
- Publication number
- BE469786A BE469786A BE469786DA BE469786A BE 469786 A BE469786 A BE 469786A BE 469786D A BE469786D A BE 469786DA BE 469786 A BE469786 A BE 469786A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US423514A US2407281A (en) | 1941-12-18 | 1941-12-18 | Radiated-signal direction finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469786A true BE469786A (en) |
Family
ID=23679167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469786D BE469786A (en) | 1941-12-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2407281A (en) |
| BE (1) | BE469786A (en) |
| DE (1) | DE830534C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2708751A (en) * | 1942-04-30 | 1955-05-17 | Sperry Corp | Error indicating system |
| US2431990A (en) * | 1943-09-20 | 1947-12-02 | Hazeltine Research Inc | Cathode-ray device for indicating the axis of a symmetrical signal |
| US2476977A (en) * | 1944-06-24 | 1949-07-26 | Paul G Hansel | Radio direction finder |
| US2488022A (en) * | 1945-02-01 | 1949-11-15 | Rca Corp | Radio receiving and indicating system |
| US2485585A (en) * | 1945-06-13 | 1949-10-25 | Maxwell K Goldstein | Direction finder |
| US2494553A (en) * | 1945-10-16 | 1950-01-17 | Paul G Hansel | Direction finding system |
| BE473670A (en) * | 1945-12-07 | |||
| FR928302A (en) * | 1945-12-29 | 1947-11-25 | Materiel Telephonique | Direction-finding system |
| US2571051A (en) * | 1946-03-01 | 1951-10-09 | Carlton A Mizen | Direction-finder system |
| US3307141A (en) * | 1948-03-25 | 1967-02-28 | Harold L Saxton | Wedge scan for echo locating system |
| US2975418A (en) * | 1948-12-01 | 1961-03-14 | Itt | Direction finding systems |
| US2565535A (en) * | 1950-06-30 | 1951-08-28 | Tykulsky Alexander | Electric wave generator |
| US2635232A (en) * | 1951-02-28 | 1953-04-14 | Rca Corp | Radio direction finder |
| US2756836A (en) * | 1952-10-22 | 1956-07-31 | Geovision Inc | Geophysical display apparatus |
| GB758139A (en) * | 1954-05-21 | 1956-09-26 | Standard Telephones Cables Ltd | Radio direction finding system |
-
0
- BE BE469786D patent/BE469786A/xx unknown
-
1941
- 1941-12-18 US US423514A patent/US2407281A/en not_active Expired - Lifetime
-
1948
- 1948-12-04 DE DEP23573D patent/DE830534C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE830534C (en) | 1952-02-04 |
| US2407281A (en) | 1946-09-10 |